Snowboard cross takes place on a course made up of various moguls, obstacles, banks, and jumps. After completing their seeding runs, groups of competitors are pitted against one another in a straight race to the finish-line. Today saw the ladies vying for gold

Eva Samkova of the Czech Republic is sporting a rather bizarre painted moustache for good luck – and the 20-year-old has been in stunning form thus far, leaving the field in her wake in all her runs thus far

Lindsey Jacobellis of the United States (right) leads during one of the women's semi-finals. However, Jacobellis – notorious for having blown a certain gold medal in 2006 when she bombed on the final jump when attempting a trick – crashed out ahead of the showpiece event

Italy's Michela Moioli (top) and Bulgaria's Alexandra Jekova collide into the penultimate jump and Jekova hits the deck. Behind them are France's Chloe Trespeuch (left) and Faye Gulini of the United States

... meanwhile, Moioli has to be carried off in a stretcher following her fall. It's a worrying sight only a day after Russian freestyle skiier Maria Komissarova broke her back while training on the same course